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NOTE: If you are looking for how to access DI services, see this: HowTo Access DI Services Here are the steps to duplicating the .NET Dependency Injection process, to create a ServiceProvider instance. This is especially useful in unit testing, for classes an...

When you create unit tests for class types that directly use DI to retrieve dependencies, you will need a way to give them a reference to a service provider (IServiceProvider). This is transparently done by the runtime.But, we have to mimic it for unit testin...

References: Net Core DI Truths Internet’s Claim of Anti-Patterns Contrary to what the internet says about service locator usage as anti-pattern, there will always be the need for logic to dynamically access services from DI.This is because the NET Core runti...

References: NET Core DI Best Practices Here’s a list of behaviors of the NET Core DI registry: All dynamic access to services (from DI) are requested through a service provider.This is what people call a service locator. For example:var foosvc = _servic...

NOTE: If you are looking for how to generate an instance of ServiceProvider, outside of NET Core runtime, like for a unit test, see this: Duplicating .NET Core DI Here’s a good reference on how DI scoping works: The dangers and gotchas of using scoped service...